Whose one is the copyright of the screen shot?
I used "stellarium" and made a simple planetarium.
It executed "stellarium" and it did a screen capture continuously.
It added information on some to that.
It is the one to have used Flash for and to have made display it continuously at it.
How will it should write a copyright?
Will the copyright of the image which was produced by "stellarium" become the one of "stellarium"?
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I think it would need to have the same copyright license as Stellarium.
I would not think so. When you compile a program with gcc then the binary is not necessarily GPL. So the output of a GPL program is not derived work. In fact the GPL says that the user has the right to use the program freely for any purpose. For me this means that you are allowed to make a movie using stellarium and sell it for 1000000$.
On the other hand I know nothing about image copyright - maybe the included images require special redistribution notices. And last not least I am not expert in copyright law.
The images would be the main issue, plus the user interface design if included. Here is a FAQ from another program:
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